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Iwao Nakagawa

Tokyo Institute of Technology

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Journal of The Chemical Society-perkin Transactions 1 | 1983

Synthesis of 5′-alkylthio-5′-deoxynucleosides from nucleosides in a one-pot reaction

Iwao Nakagawa; Koichi Aki; Tsujiaki Hata

5′-Alkyl (aryl) thio-5′-deoxynucleosides [alkyl (aryl) nucleoside sulphides] were prepared in high yields by the reaction of nucleosides with dialkyl or diaryl disulphides in the presence of tri-n-butylphosphine. The method is widely applicable to the synthesis of unsymmetrical sulphides.

Tetrahedron Letters | 1975

A convenient method for the synthesis of 5′-S-alkylthio-5′-deoxyribonucleosides

Iwao Nakagawa; Tsujiaki Hata

Nucleic Acids Research | 1984

Chemical synthesis of the 5'-terminal part bearing cap structure of messenger RNA of cytoplasmic polyhedrosis virus (CPV): m7G5'pppAmpG and m7G5'pppAmpGpU.

Kazuo Yamaguchi; Iwao Nakagawa; Mitsuo Sekine; Tsujiaki Hata; Kunitada Shimotohno; Michiyo Hiruta; Kin-ichiro Miura

Chemistry Letters | 1976

THE SYNTHESIS OF α,γ-DINUCLEOSIDE TRIPHOSPHATES. THE CONFRONTED NUCLEOTIDE STRUCTURE FOUND AT THE 5′-TERMINUS OF EUKARYOTE MESSENGER RIBONUCLEIC ACID

Tsujiaki Hata; Iwao Nakagawa; Kin-ichiro Miura

Journal of the American Chemical Society | 1970

Synthesis of nucleotide coenzymes via nucleoside 5'-phosphorothioate intermediates

Tsujiaki Hata; Iwao Nakagawa

Tetrahedron Letters | 1975

A simple protecting group protection-purification “handle” for polynucleotide synthesis. IV. Synthesis of deoxyribotrinucleotides.

Tsujiaki Hata; Iwao Nakagawa; Yoshiki Nakada

Tetrahedron Letters | 1972

A new method for the synthesis of dinucleotides

Tsujiaki Hata; Iwao Nakagawa; Noriyori Takebayashi

Bulletin of the Chemical Society of Japan | 1970

A Convenient Method for the Synthesis of Nucleoside Phosphorothioates

Tsujiaki Hata; Iwao Nakagawa

Synthesis | 1980

A “CAPPING” AGENT: P1-S-PHENYL P2-7-METHYLGUANOSINE-5′ PYROPHOSPHOROTHIOATE

Iwao Nakagawa; Sakae Konya; Shoichi Ohtani; Tsujiaki Hata

Biochimica et Biophysica Acta | 1979

Inhibitory effect of methylated derivatives of guanylic acid for protein synthesis with reference to the functional structure of the 5′-‘cap’ in viral messenger RNA

Kin-ichiro Miura; Yaeko Kodama; Kunitada Shimotohna; Toshikazu Fukui; Morio Ikehara; Iwao Nakagawa; Tsujiaki Hata

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Tsujiaki Hata

Tokyo Institute of Technology

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Kin-ichiro Miura

National Institute of Genetics

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Kazuo Yamaguchi

Kanagawa University

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Shinkichi Honda

Tokyo Institute of Technology

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Kazuko Yamaguchi

National Institute of Genetics

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Kunitada Shimotohna

National Institute of Genetics

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Kunitada Shimotohno

Chiba Institute of Technology

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Mamoru Nakanishi

Aichi Gakuin University

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Masamichi Tsuboi

Iwaki Meisei University

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Mitsuo Sekine

University of Utah

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